Anderson Island is a city located in Washington. Anderson Island has a 2020 population of 1,181. Anderson Island is currently declining at a rate of 0.00% annually and its population has increased by 13.89% since the most recent census, which recorded a population of 1,037 in 2010. Anderson Island reached it's highest population of 1,292 in 2017.
The average household income in Anderson Island is $96,937 with a poverty rate of 10.50%. The median rental costs in recent years comes to - per month, and the median house value is $273,400. The median age in Anderson Island is 59.4 years, 58.7 years for males, and 61 years for females. For every 100 females there are 122.4 males.